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ID = 4914
Tube type:  Triode-Pentode 
Identical to 6HF8
Similar Tubes
Heater different:

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.75 Ampere / Indirect / Parallel, (AC/DC) /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   

  6HF8: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
6HF8: RTT Schwandt
Günther Stabe

6HF8: RCA Tube Manual
Peter Hoddow

Usage in Models 3= 1963? ; 1= 1965?? ; 1= 1965 ; 1= 1966? ; 1= 1967? ; 1= 1967

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):8

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